US2621078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spray nozzle tip
Assignee: Spraying Systems Co
•
Filing: 1949-03-14
•
Granted: 1952-12-09
•
Expires: 1969-03-14
Abstract
No abstract record available.
Inventors
- 👤 Fred W Wahlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:46
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/02; B05B1/04; B05B1/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1151258A
Cited
US1051069A
Cited
US1531877A
Cited
US1569448A
Cited
US1950796A
Cited
FR809727A
Cited
GB479677A
Cited
US2116863A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |